Clinical, environmental, and genetic determinants of multiple sclerosis in children with acute demyelination: a prospective national cohort study.

Banwell B, Bar-Or A, Arnold DL, Sadovnick D, Narayanan S, McGowan M, O'Mahony J, Magalhaes S, Hanwell H, Vieth R, et al.

Lancet Neurol. 2011 May; 10(5):436-45. PMID: 21459044. Abstract